Predictive compound accumulation rules yield a broad-spectrum antibiotic

Michelle F. Richter, Bryon S. Drown, Andrew P. Riley, Alfredo Garcia, Tomohiro Shirai, Riley L. Svec, Paul Hergenrother

Research output: Contribution to journalArticle

Abstract

Most small molecules are unable to rapidly traverse the outer membrane of Gram-negative bacteria and accumulate inside these cells, making the discovery of much-needed drugs against these pathogens challenging. Current understanding of the physicochemical properties that dictate small-molecule accumulation in Gram-negative bacteria is largely based on retrospective analyses of antibacterial agents, which suggest that polarity and molecular weight are key factors. Here we assess the ability of over 180 diverse compounds to accumulate in Escherichia coli. Computational analysis of the results reveals major differences from the retrospective studies, namely that the small molecules that are most likely to accumulate contain an amine, are amphiphilic and rigid, have low globularity. These guidelines were then applied to convert deoxynybomycin, a natural product that is active only against Gram-positive organisms, into an antibiotic with activity against a diverse panel of multi-drug-resistant Gram-negative pathogens. We anticipate that these findings will aid in the discovery and development of antibiotics against Gram-negative bacteria.

Original languageEnglish (US)
Pages (from-to)299-304
Number of pages6
JournalNature
Volume545
Issue number7654
DOIs
StatePublished - May 18 2017

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Gram-Negative Bacteria
Anti-Bacterial Agents
Biological Products
Pharmaceutical Preparations
Amines
Retrospective Studies
Molecular Weight
Guidelines
Escherichia coli
Membranes

ASJC Scopus subject areas

  • General

Cite this

Richter, M. F., Drown, B. S., Riley, A. P., Garcia, A., Shirai, T., Svec, R. L., & Hergenrother, P. (2017). Predictive compound accumulation rules yield a broad-spectrum antibiotic. Nature, 545(7654), 299-304. https://doi.org/10.1038/nature22308

Predictive compound accumulation rules yield a broad-spectrum antibiotic. / Richter, Michelle F.; Drown, Bryon S.; Riley, Andrew P.; Garcia, Alfredo; Shirai, Tomohiro; Svec, Riley L.; Hergenrother, Paul.

In: Nature, Vol. 545, No. 7654, 18.05.2017, p. 299-304.

Research output: Contribution to journalArticle

Richter, MF, Drown, BS, Riley, AP, Garcia, A, Shirai, T, Svec, RL & Hergenrother, P 2017, 'Predictive compound accumulation rules yield a broad-spectrum antibiotic', Nature, vol. 545, no. 7654, pp. 299-304. https://doi.org/10.1038/nature22308
Richter MF, Drown BS, Riley AP, Garcia A, Shirai T, Svec RL et al. Predictive compound accumulation rules yield a broad-spectrum antibiotic. Nature. 2017 May 18;545(7654):299-304. https://doi.org/10.1038/nature22308
Richter, Michelle F. ; Drown, Bryon S. ; Riley, Andrew P. ; Garcia, Alfredo ; Shirai, Tomohiro ; Svec, Riley L. ; Hergenrother, Paul. / Predictive compound accumulation rules yield a broad-spectrum antibiotic. In: Nature. 2017 ; Vol. 545, No. 7654. pp. 299-304.
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